1 Earth mass
1 M⊕Mass · definition
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Mass
Just how heavy is 1 Earth mass?
Moons, planets & stars
1 M⊕
1 Earth mass
The quantity is exact as entered.
5.972 × 10²⁴ kgMass in kilograms
0 kg
Earth
Earth is the rocky planet on which we live and the third planet from the Sun.
5.972 × 10²⁴ kgMass in kilograms
0 kg
Bar length measures mass, not physical size. Both bars start at zero kilograms (kg). Pictures identify the objects only.
A little perspective
1 Earth mass is approximately equal to the mass of Earth.
Measurements, assumptions & sources +
1 Earth mass
Mass: 1 M⊕; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Earth
Mass: 1 M⊕; approximate.
Mean-radius spherical model for Earth; actual shape is not perfectly spherical.
NASA JPL — planetary physical parameters
The marked mass is calibrated. Unmeasured illustration details are representative.
Measurement details
Why these numbers?
Compare 1 Earth mass with the mass of Earth. The notes below explain how each value was chosen.
Earth
1 M⊕Mass · approximate
Mean-radius spherical model for Earth; actual shape is not perfectly spherical.
- Comparing
- Mass ↔ Mass
- Relative size
- 1 Earth mass is approximately equal to the mass of Earth.
How to read the visual
The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.
- The mass of Earth: This is an estimate; check the notes for its rounding and uncertainty.
Mass is distinct from weight: an object’s mass stays the same as gravity changes.
5.9722 × 10²⁴ kgkilograms
1.3166 × 10²⁵ lbpounds
5.9722 × 10²¹ ttonnes
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